1 /* 2 * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import java.io.ByteArrayInputStream; 25 import java.io.ByteArrayOutputStream; 26 import java.io.InputStream; 27 28 import javax.sound.midi.MidiEvent; 29 import javax.sound.midi.MidiSystem; 30 import javax.sound.midi.Sequence; 31 import javax.sound.midi.ShortMessage; 32 import javax.sound.midi.Track; 33 34 /** 35 * @test 36 * @bug 4851018 37 * @summary MidiMessage.getLength and .getData return wrong values. 38 * also: 4890405: Reading MidiMessage byte array fails in 1.4.2 39 */ 40 public class FastShortMessage { 41 public static void main(String args[]) throws Exception { 42 int[] dataMes = {ShortMessage.NOTE_ON | 9, 0x24, 0x50}; 43 int res = 240; 44 Sequence midiData = new Sequence(Sequence.PPQ, res); 45 46 Track track = midiData.createTrack(); 47 ShortMessage msg = new ShortMessage(); 48 msg.setMessage(dataMes[0], dataMes[1], dataMes[2]); 49 track.add(new MidiEvent(msg, 0)); 50 51 // save sequence to outputstream 52 ByteArrayOutputStream baos = new ByteArrayOutputStream(); 53 MidiSystem.write(midiData, 0, baos); 54 55 // reload that sequence 56 InputStream is = new ByteArrayInputStream(baos.toByteArray()); 57 Sequence seq = MidiSystem.getSequence(is); 58 59 track = seq.getTracks()[0]; 60 msg = (ShortMessage) (track.get(0).getMessage()); 61 byte[] msgData = msg.getMessage(); 62 63 if (msgData.length != dataMes.length 64 || (msgData[0] & 0xFF) != dataMes[0] 65 || (msgData[1] & 0xFF) != dataMes[1] 66 || (msgData[2] & 0xFF) != dataMes[2]) { 67 throw new Exception("test failed. read length="+msgData.length); 68 } 69 System.out.println("Test Passed."); 70 } 71 }